A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL. The file type is application/pdf.
application/pdf
Sayuri KATAYAMA. "カニ甲殻からキチン, キトサンの単離と配合紙の試作(身近な環境を考える理科実験)." Chemistry & Education 47.4 (1999) 272-273